Tra từ crawl - Từ điển American Heritage Dictionary 4th

I. crawl¹ (krôl)intr.v. crawled, crawl·ing, crawls
1. To move slowly on the hands and knees or by dragging the body along the ground; creep.
2. To advance slowly, feebly, laboriously, or with frequent stops:
We crawled along until we reached the open road.
3. To proceed or act servilely.
4. To be or feel as if swarming or covered with moving things:
The accident scene was crawling with police officers. My flesh crawled in horror.
See Synonyms at teem¹.
5. To swim the crawl.n.
1. The action of moving slowly on the hands or knees or dragging the body along the ground.
2. An extremely slow pace:
Traffic was moving at a crawl.
3. Sports. A rapid swimming stroke consisting of alternating overarm strokes and a flutter kick.
4. A set of letters or figures that move across, up, or down a movie or television screen, usually giving information, such as film credits or weather alerts. [Middle English craulen, from Old Norse krafla. See gerbh- in Indo-European Roots.] crawlʹing·ly adv. II. crawl² (krôl)n.
A pen in shallow water, as for confining fish or turtles. [Afrikaans kraal, enclosure for animals. See kraal.]